builder = builder.addPart(requestBody)
    builder = builder.addPart(headersOf(), requestBody)
    builder = builder.addPart(null, requestBody)
    builder = builder.addFormDataPart("", "")
    builder = builder.addFormDataPart("", "", requestBody)
    builder = builder.addFormDataPart("", null, requestBody)
    builder = builder.addPart(MultipartBody.Part.create(requestBody))

  @Test fun `multipart round trip`() {
    val body =
      MultipartBody
        .Builder("boundary")
        .setType(MultipartBody.PARALLEL)
        .addPart("Quick".toRequestBody("text/plain".toMediaType()))
        .addFormDataPart("color", "Brown")
        .addFormDataPart("animal", "fox.txt", "Fox".toRequestBody())
        .build()

    val bodyContent = Buffer()

	public final fun addFormDataPart (Ljava/lang/String;Ljava/lang/String;Lokhttp3/RequestBody;)Lokhttp3/MultipartBody$Builder;
	public final fun addPart (Lokhttp3/Headers;Lokhttp3/RequestBody;)Lokhttp3/MultipartBody$Builder;
	public final fun addPart (Lokhttp3/MultipartBody$Part;)Lokhttp3/MultipartBody$Builder;
	public final fun addPart (Lokhttp3/RequestBody;)Lokhttp3/MultipartBody$Builder;
	public final fun build ()Lokhttp3/MultipartBody;

	public final fun addFormDataPart (Ljava/lang/String;Ljava/lang/String;Lokhttp3/RequestBody;)Lokhttp3/MultipartBody$Builder;
	public final fun addPart (Lokhttp3/Headers;Lokhttp3/RequestBody;)Lokhttp3/MultipartBody$Builder;
	public final fun addPart (Lokhttp3/MultipartBody$Part;)Lokhttp3/MultipartBody$Builder;
	public final fun addPart (Lokhttp3/RequestBody;)Lokhttp3/MultipartBody$Builder;
	public final fun build ()Lokhttp3/MultipartBody;

			if !cs.Valid() {
				return oi, InvalidPart{
					PartNumber: part.PartNumber,
				}
			}
			if checksumType.FullObjectRequested() {
				if err := checksum.AddPart(*cs, expPart.ActualSize); err != nil {
					return oi, InvalidPart{
						PartNumber: part.PartNumber,
						ExpETag:    "<nil>",
						GotETag:    err.Error(),
					}
				}
			}

    public void testRemove() throws Exception {
        list.addLast(null);
        list.addLast("1");
        list.addLast("2");
        assertThat(list.remove("3"), is(not(true)));
        assertThat(list.remove("1"), is(true));
        assertThat(list.remove(null), is(true));
        list.clear();
        list.addLast("1");
        list.addLast("2");
        list.addLast("3");
        list.remove(1);

    @Override
    public void addFirst(E e) {
      assertTrue(Thread.holdsLock(mutex));
      delegate.addFirst(e);
    }

    @Override
    public void addLast(E e) {
      assertTrue(Thread.holdsLock(mutex));
      delegate.addLast(e);
    }

    @Override
    public boolean offerFirst(E e) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.offerFirst(e);
    }

    @Override
    public void addFirst(E e) {
      assertTrue(Thread.holdsLock(mutex));
      delegate.addFirst(e);
    }

    @Override
    public void addLast(E e) {
      assertTrue(Thread.holdsLock(mutex));
      delegate.addLast(e);
    }

    @Override
    public boolean offerFirst(E e) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.offerFirst(e);
    }

}

// Quote returns quoted value
func (stmt *Statement) Quote(field interface{}) string {
	var builder strings.Builder
	stmt.QuoteTo(&builder, field)
	return builder.String()
}

// AddVar add var
func (stmt *Statement) AddVar(writer clause.Writer, vars ...interface{}) {
	for idx, v := range vars {
		if idx > 0 {
			writer.WriteByte(',')
		}

		switch v := v.(type) {
		case sql.NamedArg:

     *            A disposable resource. Must not be {@literal null}.
     */
    public static synchronized void add(final Disposable disposable) {
        assertArgumentNotNull("disposable", disposable);
        disposables.addLast(disposable);
    }

    /**
     * Registers a disposable resource at the beginning.
     * <p>